Portable computer dock



FIG. 1 is a front perspective view of the portable computer dock;

FIG. 2 is a front view of the portable computer dock;

FIG. 3 is a back view of the portable computer dock;

FIGS. 4 and 5 show alternate side views of the portable computer dock; and,

FIGS. 6 and 7 show respectively top and bottom views respectively of the portable computer dock.

Broken lines shown in the drawings illustrate portions of the portable computer dock and form no part of the claimed design. 

The ornamental design for portable computer dock, as shown and described. 